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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "Array-flags.h" |
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32 #include "str-vec.h" |
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33 #include "quit.h" |
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34 |
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35 #include "oct-obj.h" |
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36 #include "ov.h" |
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37 #include "ov-base.h" |
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38 #include "ov-bool.h" |
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39 #include "ov-bool-mat.h" |
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40 #include "ov-cell.h" |
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41 #include "ov-scalar.h" |
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42 #include "ov-re-mat.h" |
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43 #include "ov-complex.h" |
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44 #include "ov-cx-mat.h" |
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45 #include "ov-ch-mat.h" |
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46 #include "ov-str-mat.h" |
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47 #include "ov-range.h" |
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48 #include "ov-struct.h" |
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49 #include "ov-file.h" |
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50 #include "ov-list.h" |
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51 #include "ov-cs-list.h" |
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52 #include "ov-colon.h" |
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53 #include "ov-va-args.h" |
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54 #include "ov-builtin.h" |
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55 #include "ov-mapper.h" |
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56 #include "ov-usr-fcn.h" |
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57 #include "ov-fcn-handle.h" |
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58 #include "ov-typeinfo.h" |
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59 |
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60 #include "defun.h" |
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61 #include "error.h" |
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62 #include "gripes.h" |
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63 #include "pager.h" |
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64 #include "parse.h" |
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65 #include "pr-output.h" |
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66 #include "utils.h" |
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67 #include "variables.h" |
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68 |
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69 // We are likely to have a lot of octave_value objects to allocate, so |
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70 // make the grow_size large. |
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71 DEFINE_OCTAVE_ALLOCATOR2(octave_value, 1024); |
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72 |
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73 // If TRUE, turn off printing of results in functions (as if a |
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74 // semicolon has been appended to each statement). |
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75 static bool Vsilent_functions; |
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76 |
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77 // If TRUE, print a warning for assignments like |
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78 // |
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79 // octave> A(1) = 3; A(2) = 5 |
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80 // |
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81 // for A already defined and a matrix type. |
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82 bool Vwarn_fortran_indexing; |
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83 |
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84 // Should we warn about conversions from complex to real? |
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85 int Vwarn_imag_to_real; |
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86 |
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87 // Should we print a warning when converting `[97, 98, 99, "123"]' |
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88 // to a character string? |
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89 bool Vwarn_num_to_str; |
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90 |
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91 // If TRUE, warn for operations like |
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92 // |
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93 // octave> 'abc' + 0 |
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94 // 97 98 99 |
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95 // |
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96 int Vwarn_str_to_num; |
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97 |
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98 // If TRUE, print the name along with the value. |
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99 bool Vprint_answer_id_name; |
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100 |
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101 // How many levels of structure elements should we print? |
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102 int Vstruct_levels_to_print; |
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103 |
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104 // Allow divide by zero errors to be suppressed. |
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105 bool Vwarn_divide_by_zero; |
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106 |
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107 // If TRUE, print a warning when a matrix is resized by an indexed |
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108 // assignment with indices outside the current bounds. |
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109 bool Vwarn_resize_on_range_error; |
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110 |
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111 // XXX FIXME XXX |
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112 |
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113 // Octave's value type. |
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114 |
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115 std::string |
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116 octave_value::unary_op_as_string (unary_op op) |
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117 { |
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118 std::string retval; |
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119 |
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120 switch (op) |
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121 { |
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122 case op_not: |
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123 retval = "!"; |
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124 break; |
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125 |
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126 case op_uminus: |
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127 retval = "-"; |
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128 break; |
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129 |
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130 case op_transpose: |
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131 retval = ".'"; |
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132 break; |
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133 |
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134 case op_hermitian: |
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135 retval = "'"; |
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136 break; |
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137 |
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138 case op_incr: |
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139 retval = "++"; |
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140 break; |
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141 |
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142 case op_decr: |
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143 retval = "--"; |
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144 break; |
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145 |
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146 default: |
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147 retval = "<unknown>"; |
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148 } |
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149 |
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150 return retval; |
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151 } |
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152 |
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153 std::string |
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154 octave_value::binary_op_as_string (binary_op op) |
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155 { |
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156 std::string retval; |
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157 |
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158 switch (op) |
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159 { |
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160 case op_add: |
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161 retval = "+"; |
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162 break; |
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163 |
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164 case op_sub: |
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165 retval = "-"; |
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166 break; |
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167 |
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168 case op_mul: |
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169 retval = "*"; |
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170 break; |
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171 |
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172 case op_div: |
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173 retval = "/"; |
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174 break; |
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175 |
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176 case op_pow: |
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177 retval = "^"; |
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178 break; |
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179 |
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180 case op_ldiv: |
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181 retval = "\\"; |
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182 break; |
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183 |
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184 case op_lshift: |
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185 retval = "<<"; |
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186 break; |
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187 |
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188 case op_rshift: |
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189 retval = ">>"; |
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190 break; |
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191 |
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192 case op_lt: |
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193 retval = "<"; |
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194 break; |
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195 |
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196 case op_le: |
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197 retval = "<="; |
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198 break; |
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199 |
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200 case op_eq: |
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201 retval = "=="; |
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202 break; |
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203 |
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204 case op_ge: |
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205 retval = ">="; |
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206 break; |
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207 |
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208 case op_gt: |
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209 retval = ">"; |
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210 break; |
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211 |
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212 case op_ne: |
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213 retval = "!="; |
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214 break; |
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215 |
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216 case op_el_mul: |
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217 retval = ".*"; |
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218 break; |
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219 |
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220 case op_el_div: |
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221 retval = "./"; |
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222 break; |
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223 |
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224 case op_el_pow: |
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225 retval = ".^"; |
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226 break; |
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227 |
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228 case op_el_ldiv: |
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229 retval = ".\\"; |
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230 break; |
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231 |
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232 case op_el_and: |
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233 retval = "&"; |
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234 break; |
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235 |
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236 case op_el_or: |
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237 retval = "|"; |
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238 break; |
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239 |
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240 case op_struct_ref: |
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241 retval = "."; |
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242 break; |
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243 |
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244 default: |
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245 retval = "<unknown>"; |
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246 } |
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247 |
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248 return retval; |
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249 } |
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250 |
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251 std::string |
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252 octave_value::assign_op_as_string (assign_op op) |
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253 { |
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254 std::string retval; |
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255 |
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256 switch (op) |
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257 { |
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258 case op_asn_eq: |
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259 retval = "="; |
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260 break; |
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261 |
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262 case op_add_eq: |
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263 retval = "+="; |
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264 break; |
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265 |
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266 case op_sub_eq: |
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267 retval = "-="; |
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268 break; |
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269 |
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270 case op_mul_eq: |
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271 retval = "*="; |
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272 break; |
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273 |
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274 case op_div_eq: |
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275 retval = "/="; |
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276 break; |
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277 |
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278 case op_ldiv_eq: |
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279 retval = "\\="; |
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280 break; |
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281 |
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282 case op_pow_eq: |
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283 retval = "^="; |
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284 break; |
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285 |
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286 case op_lshift_eq: |
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287 retval = "<<="; |
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288 break; |
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289 |
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290 case op_rshift_eq: |
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291 retval = ">>="; |
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292 break; |
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293 |
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294 case op_el_mul_eq: |
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295 retval = ".*="; |
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296 break; |
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297 |
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298 case op_el_div_eq: |
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299 retval = "./="; |
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300 break; |
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301 |
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302 case op_el_ldiv_eq: |
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303 retval = ".\\="; |
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304 break; |
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305 |
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306 case op_el_pow_eq: |
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307 retval = ".^="; |
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308 break; |
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309 |
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310 case op_el_and_eq: |
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311 retval = "&="; |
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312 break; |
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313 |
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314 case op_el_or_eq: |
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315 retval = "|="; |
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316 break; |
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317 |
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318 default: |
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319 retval = "<unknown>"; |
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320 } |
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321 |
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322 return retval; |
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323 } |
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324 |
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4513
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325 octave_value * |
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326 octave_value::nil_rep (void) const |
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327 { |
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328 static octave_base_value *nr = new octave_base_value (); |
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329 return nr; |
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330 } |
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331 |
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332 octave_value::octave_value (void) |
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333 : rep (nil_rep ()) |
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334 { |
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335 rep->count++; |
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336 } |
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337 |
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338 octave_value::octave_value (short int i) |
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339 : rep (new octave_scalar (i)) |
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340 { |
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341 rep->count = 1; |
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342 } |
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343 |
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344 octave_value::octave_value (unsigned short int i) |
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345 : rep (new octave_scalar (i)) |
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346 { |
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347 rep->count = 1; |
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348 } |
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349 |
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350 octave_value::octave_value (int i) |
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351 : rep (new octave_scalar (i)) |
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352 { |
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353 rep->count = 1; |
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354 } |
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355 |
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356 octave_value::octave_value (unsigned int i) |
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357 : rep (new octave_scalar (i)) |
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358 { |
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359 rep->count = 1; |
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360 } |
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361 |
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362 octave_value::octave_value (long int i) |
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363 : rep (new octave_scalar (i)) |
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364 { |
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365 rep->count = 1; |
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366 } |
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367 |
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368 octave_value::octave_value (unsigned long int i) |
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369 : rep (new octave_scalar (i)) |
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370 { |
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371 rep->count = 1; |
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372 } |
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373 |
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374 #if defined (HAVE_LONG_LONG_INT) |
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375 octave_value::octave_value (long long int i) |
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376 : rep (new octave_scalar (i)) |
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377 { |
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378 rep->count = 1; |
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379 } |
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380 #endif |
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381 |
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382 #if defined (HAVE_UNSIGNED_LONG_LONG_INT) |
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383 octave_value::octave_value (unsigned long long int i) |
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384 : rep (new octave_scalar (i)) |
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385 { |
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386 rep->count = 1; |
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387 } |
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388 #endif |
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389 |
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390 octave_value::octave_value (octave_time t) |
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391 : rep (new octave_scalar (t)) |
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392 { |
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393 rep->count = 1; |
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394 } |
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395 |
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396 octave_value::octave_value (double d) |
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397 : rep (new octave_scalar (d)) |
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398 { |
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399 rep->count = 1; |
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400 } |
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401 |
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402 octave_value::octave_value (const Cell& c, bool is_cs_list) |
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403 : rep (0) |
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404 { |
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405 if (is_cs_list) |
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406 rep = new octave_cs_list (c); |
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407 else |
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408 rep = new octave_cell (c); |
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409 |
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410 rep->count = 1; |
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411 } |
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412 |
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413 octave_value::octave_value (const ArrayN<octave_value>& a, bool is_cs_list) |
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414 : rep (0) |
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415 { |
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416 Cell c (a); |
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417 |
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418 if (is_cs_list) |
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419 rep = new octave_cs_list (c); |
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420 else |
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421 rep = new octave_cell (c); |
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422 |
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423 rep->count = 1; |
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424 } |
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425 |
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426 octave_value::octave_value (const Matrix& m) |
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427 : rep (new octave_matrix (m)) |
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428 { |
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429 rep->count = 1; |
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430 maybe_mutate (); |
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431 } |
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432 |
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433 octave_value::octave_value (const NDArray& a) |
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434 : rep (new octave_matrix (a)) |
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435 { |
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436 rep->count = 1; |
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437 maybe_mutate (); |
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438 } |
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439 |
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440 octave_value::octave_value (const DiagMatrix& d) |
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441 : rep (new octave_matrix (d)) |
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442 { |
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443 rep->count = 1; |
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444 maybe_mutate (); |
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445 } |
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446 |
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447 octave_value::octave_value (const RowVector& v) |
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448 : rep (new octave_matrix (v)) |
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449 { |
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450 rep->count = 1; |
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451 maybe_mutate (); |
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452 } |
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453 |
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454 octave_value::octave_value (const ColumnVector& v) |
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455 : rep (new octave_matrix (v)) |
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456 { |
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457 rep->count = 1; |
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458 maybe_mutate (); |
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459 } |
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460 |
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461 octave_value::octave_value (const Complex& C) |
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462 : rep (new octave_complex (C)) |
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463 { |
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464 rep->count = 1; |
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465 maybe_mutate (); |
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466 } |
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467 |
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468 octave_value::octave_value (const ComplexMatrix& m) |
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469 : rep (new octave_complex_matrix (m)) |
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470 { |
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471 rep->count = 1; |
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472 maybe_mutate (); |
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473 } |
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2376
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474 |
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4513
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475 octave_value::octave_value (const ComplexNDArray& a) |
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476 : rep (new octave_complex_matrix (a)) |
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4478
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477 { |
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478 rep->count = 1; |
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479 maybe_mutate (); |
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480 } |
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481 |
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2376
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482 octave_value::octave_value (const ComplexDiagMatrix& d) |
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2423
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483 : rep (new octave_complex_matrix (d)) |
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484 { |
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485 rep->count = 1; |
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486 maybe_mutate (); |
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487 } |
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2376
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488 |
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3418
|
489 octave_value::octave_value (const ComplexRowVector& v) |
|
|
490 : rep (new octave_complex_matrix (v)) |
|
2423
|
491 { |
|
|
492 rep->count = 1; |
|
|
493 maybe_mutate (); |
|
|
494 } |
|
2376
|
495 |
|
3418
|
496 octave_value::octave_value (const ComplexColumnVector& v) |
|
|
497 : rep (new octave_complex_matrix (v)) |
|
2423
|
498 { |
|
|
499 rep->count = 1; |
|
|
500 maybe_mutate (); |
|
|
501 } |
|
2376
|
502 |
|
2825
|
503 octave_value::octave_value (bool b) |
|
|
504 : rep (new octave_bool (b)) |
|
|
505 { |
|
|
506 rep->count = 1; |
|
|
507 } |
|
|
508 |
|
|
509 octave_value::octave_value (const boolMatrix& bm) |
|
|
510 : rep (new octave_bool_matrix (bm)) |
|
|
511 { |
|
|
512 rep->count = 1; |
|
|
513 maybe_mutate (); |
|
|
514 } |
|
|
515 |
|
4513
|
516 octave_value::octave_value (const boolNDArray& bnda) |
|
|
517 : rep (new octave_bool_matrix (bnda)) |
|
|
518 { |
|
|
519 rep->count = 1; |
|
|
520 maybe_mutate (); |
|
|
521 } |
|
|
522 |
|
3189
|
523 octave_value::octave_value (char c) |
|
|
524 : rep (new octave_char_matrix_str (c)) |
|
|
525 { |
|
|
526 rep->count = 1; |
|
|
527 maybe_mutate (); |
|
|
528 } |
|
|
529 |
|
2376
|
530 octave_value::octave_value (const char *s) |
|
2423
|
531 : rep (new octave_char_matrix_str (s)) |
|
|
532 { |
|
|
533 rep->count = 1; |
|
|
534 maybe_mutate (); |
|
|
535 } |
|
2376
|
536 |
|
3523
|
537 octave_value::octave_value (const std::string& s) |
|
2423
|
538 : rep (new octave_char_matrix_str (s)) |
|
|
539 { |
|
|
540 rep->count = 1; |
|
|
541 maybe_mutate (); |
|
|
542 } |
|
2376
|
543 |
|
|
544 octave_value::octave_value (const string_vector& s) |
|
2423
|
545 : rep (new octave_char_matrix_str (s)) |
|
|
546 { |
|
|
547 rep->count = 1; |
|
|
548 maybe_mutate (); |
|
|
549 } |
|
2376
|
550 |
|
|
551 octave_value::octave_value (const charMatrix& chm, bool is_string) |
|
4513
|
552 : rep (is_string |
|
|
553 ? new octave_char_matrix_str (chm) |
|
|
554 : new octave_char_matrix (chm)) |
|
2409
|
555 { |
|
4513
|
556 rep->count = 1; |
|
|
557 maybe_mutate (); |
|
|
558 } |
|
2376
|
559 |
|
4513
|
560 octave_value::octave_value (const charNDArray& chm, bool is_string) |
|
|
561 : rep (is_string |
|
|
562 ? new octave_char_matrix_str (chm) |
|
|
563 : new octave_char_matrix (chm)) |
|
|
564 { |
|
2409
|
565 rep->count = 1; |
|
2423
|
566 maybe_mutate (); |
|
2409
|
567 } |
|
2376
|
568 |
|
|
569 octave_value::octave_value (double base, double limit, double inc) |
|
2423
|
570 : rep (new octave_range (base, limit, inc)) |
|
|
571 { |
|
|
572 rep->count = 1; |
|
|
573 maybe_mutate (); |
|
|
574 } |
|
2376
|
575 |
|
|
576 octave_value::octave_value (const Range& r) |
|
2423
|
577 : rep (new octave_range (r)) |
|
|
578 { |
|
|
579 rep->count = 1; |
|
|
580 maybe_mutate (); |
|
|
581 } |
|
2376
|
582 |
|
|
583 octave_value::octave_value (const Octave_map& m) |
|
2825
|
584 : rep (new octave_struct (m)) |
|
|
585 { |
|
|
586 rep->count = 1; |
|
2880
|
587 } |
|
|
588 |
|
3340
|
589 octave_value::octave_value (const octave_stream& s, int n) |
|
2903
|
590 : rep (new octave_file (s, n)) |
|
|
591 { |
|
|
592 rep->count = 1; |
|
|
593 } |
|
|
594 |
|
2974
|
595 octave_value::octave_value (octave_function *f) |
|
|
596 : rep (f) |
|
|
597 { |
|
|
598 rep->count = 1; |
|
|
599 } |
|
|
600 |
|
4342
|
601 octave_value::octave_value (const octave_fcn_handle& fh) |
|
|
602 : rep (new octave_fcn_handle (fh)) |
|
|
603 { |
|
|
604 rep->count = 1; |
|
|
605 } |
|
|
606 |
|
3977
|
607 octave_value::octave_value (const octave_value_list& l, bool is_cs_list) |
|
4513
|
608 : rep (is_cs_list ? new octave_cs_list (l) : new octave_list (l)) |
|
2880
|
609 { |
|
|
610 rep->count = 1; |
|
|
611 } |
|
2376
|
612 |
|
|
613 octave_value::octave_value (octave_value::magic_colon) |
|
2825
|
614 : rep (new octave_magic_colon ()) |
|
|
615 { |
|
|
616 rep->count = 1; |
|
|
617 } |
|
2376
|
618 |
|
|
619 octave_value::octave_value (octave_value::all_va_args) |
|
2825
|
620 : rep (new octave_all_va_args ()) |
|
|
621 { |
|
|
622 rep->count = 1; |
|
|
623 } |
|
2376
|
624 |
|
4276
|
625 octave_value::octave_value (octave_value *new_rep, int cnt) |
|
2825
|
626 : rep (new_rep) |
|
|
627 { |
|
4276
|
628 rep->count = cnt; |
|
2825
|
629 } |
|
2376
|
630 |
|
|
631 octave_value::~octave_value (void) |
|
|
632 { |
|
|
633 #if defined (MDEBUG) |
|
3531
|
634 std::cerr << "~octave_value: rep: " << rep |
|
|
635 << " rep->count: " << rep->count << "\n"; |
|
2376
|
636 #endif |
|
|
637 |
|
|
638 if (rep && --rep->count == 0) |
|
|
639 { |
|
|
640 delete rep; |
|
|
641 rep = 0; |
|
|
642 } |
|
|
643 } |
|
|
644 |
|
2880
|
645 octave_value * |
|
3933
|
646 octave_value::clone (void) const |
|
2880
|
647 { |
|
|
648 panic_impossible (); |
|
3546
|
649 return 0; |
|
2880
|
650 } |
|
|
651 |
|
2409
|
652 void |
|
|
653 octave_value::maybe_mutate (void) |
|
|
654 { |
|
2410
|
655 octave_value *tmp = rep->try_narrowing_conversion (); |
|
2409
|
656 |
|
|
657 if (tmp && tmp != rep) |
|
|
658 { |
|
|
659 if (--rep->count == 0) |
|
|
660 delete rep; |
|
|
661 |
|
|
662 rep = tmp; |
|
|
663 rep->count = 1; |
|
|
664 } |
|
|
665 } |
|
|
666 |
|
4247
|
667 octave_value |
|
4271
|
668 octave_value::single_subsref (const std::string& type, |
|
|
669 const octave_value_list& idx) |
|
4247
|
670 { |
|
|
671 std::list<octave_value_list> i; |
|
|
672 |
|
|
673 i.push_back (idx); |
|
|
674 |
|
|
675 return rep->subsref (type, i); |
|
|
676 } |
|
|
677 |
|
2974
|
678 octave_value_list |
|
4247
|
679 octave_value::subsref (const std::string& type, |
|
4219
|
680 const std::list<octave_value_list>& idx, int nargout) |
|
3933
|
681 { |
|
|
682 if (is_constant ()) |
|
|
683 return rep->subsref (type, idx); |
|
|
684 else |
|
|
685 return rep->subsref (type, idx, nargout); |
|
|
686 } |
|
|
687 |
|
|
688 octave_value |
|
4247
|
689 octave_value::next_subsref (const std::string& type, |
|
4219
|
690 const std::list<octave_value_list>& idx, |
|
4233
|
691 size_t skip) |
|
3933
|
692 { |
|
4582
|
693 if (! error_state && idx.size () > skip) |
|
3933
|
694 { |
|
4219
|
695 std::list<octave_value_list> new_idx (idx); |
|
4233
|
696 for (size_t i = 0; i < skip; i++) |
|
4219
|
697 new_idx.erase (new_idx.begin ()); |
|
3933
|
698 return subsref (type.substr (skip), new_idx); |
|
|
699 } |
|
|
700 else |
|
|
701 return *this; |
|
|
702 } |
|
|
703 |
|
|
704 octave_value_list |
|
3544
|
705 octave_value::do_multi_index_op (int nargout, const octave_value_list& idx) |
|
2974
|
706 { |
|
3544
|
707 return rep->do_multi_index_op (nargout, idx); |
|
2974
|
708 } |
|
|
709 |
|
2376
|
710 static void |
|
3933
|
711 gripe_no_conversion (const std::string& on, const std::string& tn1, |
|
|
712 const std::string& tn2) |
|
2376
|
713 { |
|
3203
|
714 error ("operator %s: no conversion for assignment of `%s' to indexed `%s'", |
|
|
715 on.c_str (), tn2.c_str (), tn1.c_str ()); |
|
2376
|
716 } |
|
|
717 |
|
3933
|
718 #if 0 |
|
3204
|
719 static void |
|
3933
|
720 gripe_assign_failed (const std::string& on, const std::string& tn1, |
|
|
721 const std::string& tn2) |
|
3204
|
722 { |
|
|
723 error ("assignment failed for `%s %s %s'", |
|
|
724 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
725 } |
|
3933
|
726 #endif |
|
3204
|
727 |
|
|
728 static void |
|
3933
|
729 gripe_assign_failed_or_no_method (const std::string& on, |
|
|
730 const std::string& tn1, |
|
3523
|
731 const std::string& tn2) |
|
3204
|
732 { |
|
|
733 error ("assignment failed, or no method for `%s %s %s'", |
|
|
734 tn1.c_str (), on.c_str (), tn2.c_str ()); |
|
|
735 } |
|
|
736 |
|
3933
|
737 octave_value |
|
4247
|
738 octave_value::subsasgn (const std::string& type, |
|
4219
|
739 const std::list<octave_value_list>& idx, |
|
3933
|
740 const octave_value& rhs) |
|
|
741 { |
|
|
742 return rep->subsasgn (type, idx, rhs); |
|
|
743 } |
|
|
744 |
|
|
745 octave_value |
|
4247
|
746 octave_value::assign (assign_op op, const std::string& type, |
|
4219
|
747 const std::list<octave_value_list>& idx, |
|
3933
|
748 const octave_value& rhs) |
|
|
749 { |
|
|
750 octave_value retval; |
|
|
751 |
|
|
752 make_unique (); |
|
|
753 |
|
|
754 octave_value t_rhs = rhs; |
|
|
755 |
|
|
756 if (op != op_asn_eq) |
|
|
757 { |
|
|
758 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
759 // a specific function to call to handle the op= operation for |
|
|
760 // the types we have. |
|
|
761 |
|
|
762 octave_value t = subsref (type, idx); |
|
|
763 |
|
|
764 if (! error_state) |
|
|
765 { |
|
|
766 binary_op binop = op_eq_to_binary_op (op); |
|
|
767 |
|
|
768 if (! error_state) |
|
|
769 t_rhs = do_binary_op (binop, t, rhs); |
|
|
770 } |
|
|
771 } |
|
|
772 |
|
|
773 if (! error_state) |
|
|
774 { |
|
|
775 if (type[0] == '.' && ! is_map ()) |
|
|
776 { |
|
|
777 octave_value tmp = Octave_map (); |
|
|
778 retval = tmp.subsasgn (type, idx, t_rhs); |
|
|
779 } |
|
|
780 else |
|
|
781 retval = subsasgn (type, idx, t_rhs); |
|
|
782 } |
|
|
783 |
|
|
784 if (error_state) |
|
|
785 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
786 type_name (), rhs.type_name ()); |
|
|
787 |
|
|
788 return retval; |
|
|
789 } |
|
|
790 |
|
|
791 const octave_value& |
|
3203
|
792 octave_value::assign (assign_op op, const octave_value& rhs) |
|
2880
|
793 { |
|
3533
|
794 if (op == op_asn_eq) |
|
3203
|
795 operator = (rhs); |
|
|
796 else |
|
|
797 { |
|
3204
|
798 // XXX FIXME XXX -- only do the following stuff if we can't find |
|
|
799 // a specific function to call to handle the op= operation for |
|
|
800 // the types we have. |
|
|
801 |
|
|
802 binary_op binop = op_eq_to_binary_op (op); |
|
|
803 |
|
|
804 if (! error_state) |
|
|
805 { |
|
|
806 octave_value t = do_binary_op (binop, *this, rhs); |
|
|
807 |
|
|
808 if (! error_state) |
|
|
809 operator = (t); |
|
|
810 } |
|
|
811 |
|
|
812 if (error_state) |
|
|
813 gripe_assign_failed_or_no_method (assign_op_as_string (op), |
|
|
814 type_name (), rhs.type_name ()); |
|
|
815 } |
|
|
816 |
|
3933
|
817 return *this; |
|
2376
|
818 } |
|
|
819 |
|
4563
|
820 int |
|
|
821 octave_value::rows (void) const |
|
|
822 { |
|
|
823 dim_vector dv = dims (); |
|
|
824 |
|
|
825 return (dv.length () > 0) ? dv(0) : -1; |
|
|
826 } |
|
|
827 |
|
|
828 int |
|
|
829 octave_value::columns (void) const |
|
|
830 { |
|
|
831 dim_vector dv = dims (); |
|
|
832 |
|
|
833 return (dv.length () > 1) ? dv(1) : -1; |
|
|
834 } |
|
|
835 |
|
|
836 int |
|
|
837 octave_value::length (void) const |
|
|
838 { |
|
|
839 int retval = 0; |
|
|
840 |
|
|
841 dim_vector dv = dims (); |
|
4584
|
842 |
|
4563
|
843 for (int i = 0; i < dv.length (); i++) |
|
|
844 { |
|
|
845 if (dv(i) < 0) |
|
|
846 { |
|
|
847 retval = -1; |
|
|
848 break; |
|
|
849 } |
|
|
850 |
|
4584
|
851 if (dv(i) == 0) |
|
|
852 { |
|
|
853 retval = 0; |
|
|
854 break; |
|
|
855 } |
|
|
856 |
|
4563
|
857 if (dv(i) > retval) |
|
|
858 retval = dv(i); |
|
|
859 } |
|
|
860 |
|
|
861 return retval; |
|
|
862 } |
|
|
863 |
|
|
864 int |
|
|
865 octave_value::ndims (void) const |
|
|
866 { |
|
|
867 dim_vector dv = dims (); |
|
|
868 |
|
|
869 int n_dims = dv.length (); |
|
|
870 |
|
|
871 // Remove trailing singleton dimensions. |
|
|
872 |
|
|
873 for (int i = n_dims; i > 2; i--) |
|
|
874 { |
|
|
875 if (dv(i-1) == 1) |
|
|
876 n_dims--; |
|
|
877 else |
|
|
878 break; |
|
|
879 } |
|
|
880 |
|
|
881 // The result is always >= 2. |
|
|
882 |
|
|
883 if (n_dims < 2) |
|
|
884 n_dims = 2; |
|
|
885 |
|
|
886 return n_dims; |
|
|
887 } |
|
|
888 |
|
|
889 int |
|
|
890 octave_value::numel (void) const |
|
|
891 { |
|
|
892 dim_vector dv = dims (); |
|
|
893 |
|
4567
|
894 return dv.numel (); |
|
4563
|
895 } |
|
|
896 |
|
3351
|
897 Cell |
|
|
898 octave_value::cell_value (void) const |
|
|
899 { |
|
|
900 return rep->cell_value (); |
|
|
901 } |
|
|
902 |
|
2376
|
903 Octave_map |
|
|
904 octave_value::map_value (void) const |
|
|
905 { |
|
|
906 return rep->map_value (); |
|
|
907 } |
|
|
908 |
|
3340
|
909 octave_stream |
|
2903
|
910 octave_value::stream_value (void) const |
|
|
911 { |
|
|
912 return rep->stream_value (); |
|
|
913 } |
|
|
914 |
|
|
915 int |
|
|
916 octave_value::stream_number (void) const |
|
|
917 { |
|
|
918 return rep->stream_number (); |
|
|
919 } |
|
|
920 |
|
2974
|
921 octave_function * |
|
|
922 octave_value::function_value (bool silent) |
|
|
923 { |
|
|
924 return rep->function_value (silent); |
|
|
925 } |
|
|
926 |
|
4346
|
927 octave_fcn_handle * |
|
4343
|
928 octave_value::fcn_handle_value (bool silent) |
|
|
929 { |
|
|
930 return rep->fcn_handle_value (silent); |
|
|
931 } |
|
|
932 |
|
2880
|
933 octave_value_list |
|
|
934 octave_value::list_value (void) const |
|
|
935 { |
|
|
936 return rep->list_value (); |
|
|
937 } |
|
|
938 |
|
2376
|
939 ColumnVector |
|
3419
|
940 octave_value::column_vector_value (bool force_string_conv, |
|
|
941 bool force_vector_conversion) const |
|
|
942 { |
|
|
943 ColumnVector retval; |
|
|
944 |
|
|
945 Matrix m = matrix_value (force_string_conv); |
|
|
946 |
|
|
947 if (error_state) |
|
|
948 return retval; |
|
|
949 |
|
|
950 int nr = m.rows (); |
|
|
951 int nc = m.columns (); |
|
|
952 |
|
|
953 if (nc == 1) |
|
|
954 { |
|
|
955 retval.resize (nr); |
|
|
956 for (int i = 0; i < nr; i++) |
|
|
957 retval (i) = m (i, 0); |
|
|
958 } |
|
|
959 else |
|
|
960 { |
|
3523
|
961 std::string tn = type_name (); |
|
3419
|
962 gripe_invalid_conversion (tn.c_str (), "real column vector"); |
|
|
963 } |
|
|
964 |
|
|
965 return retval; |
|
|
966 } |
|
|
967 |
|
|
968 ComplexColumnVector |
|
|
969 octave_value::complex_column_vector_value (bool force_string_conv, |
|
|
970 bool force_vector_conversion) const |
|
|
971 { |
|
|
972 ComplexColumnVector retval; |
|
|
973 |
|
|
974 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
975 |
|
|
976 if (error_state) |
|
|
977 return retval; |
|
|
978 |
|
|
979 int nr = m.rows (); |
|
|
980 int nc = m.columns (); |
|
|
981 |
|
|
982 if (nc == 1) |
|
|
983 { |
|
3465
|
984 retval.resize (nr); |
|
|
985 for (int i = 0; i < nr; i++) |
|
3419
|
986 retval (i) = m (i, 0); |
|
|
987 } |
|
|
988 else |
|
|
989 { |
|
3523
|
990 std::string tn = type_name (); |
|
3419
|
991 gripe_invalid_conversion (tn.c_str (), "complex column vector"); |
|
|
992 } |
|
|
993 |
|
|
994 return retval; |
|
|
995 } |
|
|
996 |
|
|
997 RowVector |
|
|
998 octave_value::row_vector_value (bool force_string_conv, |
|
|
999 bool force_vector_conversion) const |
|
|
1000 { |
|
|
1001 RowVector retval; |
|
|
1002 |
|
|
1003 Matrix m = matrix_value (force_string_conv); |
|
|
1004 |
|
|
1005 if (error_state) |
|
|
1006 return retval; |
|
|
1007 |
|
|
1008 int nr = m.rows (); |
|
|
1009 int nc = m.columns (); |
|
|
1010 |
|
|
1011 if (nr == 1) |
|
|
1012 { |
|
|
1013 retval.resize (nc); |
|
|
1014 for (int i = 0; i < nc; i++) |
|
|
1015 retval (i) = m (0, i); |
|
|
1016 } |
|
|
1017 else |
|
|
1018 { |
|
3523
|
1019 std::string tn = type_name (); |
|
3419
|
1020 gripe_invalid_conversion (tn.c_str (), "real row vector"); |
|
|
1021 } |
|
|
1022 |
|
|
1023 return retval; |
|
|
1024 } |
|
|
1025 |
|
|
1026 ComplexRowVector |
|
|
1027 octave_value::complex_row_vector_value (bool force_string_conv, |
|
|
1028 bool force_vector_conversion) const |
|
|
1029 { |
|
|
1030 ComplexRowVector retval; |
|
|
1031 |
|
|
1032 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1033 |
|
|
1034 if (error_state) |
|
|
1035 return retval; |
|
|
1036 |
|
|
1037 int nr = m.rows (); |
|
|
1038 int nc = m.columns (); |
|
|
1039 |
|
|
1040 if (nr == 1) |
|
|
1041 { |
|
|
1042 retval.resize (nc); |
|
|
1043 for (int i = 0; i < nc; i++) |
|
|
1044 retval (i) = m (0, i); |
|
|
1045 } |
|
|
1046 else |
|
|
1047 { |
|
3523
|
1048 std::string tn = type_name (); |
|
3419
|
1049 gripe_invalid_conversion (tn.c_str (), "complex row vector"); |
|
|
1050 } |
|
|
1051 |
|
|
1052 return retval; |
|
|
1053 } |
|
|
1054 |
|
|
1055 // Sloppy... |
|
|
1056 |
|
|
1057 Array<double> |
|
2376
|
1058 octave_value::vector_value (bool force_string_conv, |
|
|
1059 bool force_vector_conversion) const |
|
|
1060 { |
|
3419
|
1061 Array<double> retval; |
|
2376
|
1062 |
|
|
1063 Matrix m = matrix_value (force_string_conv); |
|
|
1064 |
|
|
1065 if (error_state) |
|
|
1066 return retval; |
|
|
1067 |
|
|
1068 int nr = m.rows (); |
|
|
1069 int nc = m.columns (); |
|
|
1070 |
|
|
1071 if (nr == 1) |
|
|
1072 { |
|
|
1073 retval.resize (nc); |
|
|
1074 for (int i = 0; i < nc; i++) |
|
|
1075 retval (i) = m (0, i); |
|
|
1076 } |
|
|
1077 else if (nc == 1) |
|
|
1078 { |
|
|
1079 retval.resize (nr); |
|
|
1080 for (int i = 0; i < nr; i++) |
|
|
1081 retval (i) = m (i, 0); |
|
|
1082 } |
|
4455
|
1083 else if (nr > 0 && nc > 0) |
|
2376
|
1084 { |
|
4455
|
1085 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
1086 if (! force_vector_conversion && Vwarn_fortran_indexing) |
|
|
1087 gripe_implicit_conversion (type_name (), "real vector"); |
|
|
1088 |
|
2376
|
1089 retval.resize (nr * nc); |
|
|
1090 int k = 0; |
|
|
1091 for (int j = 0; j < nc; j++) |
|
|
1092 for (int i = 0; i < nr; i++) |
|
4153
|
1093 { |
|
|
1094 OCTAVE_QUIT; |
|
|
1095 |
|
|
1096 retval (k++) = m (i, j); |
|
|
1097 } |
|
2376
|
1098 } |
|
|
1099 else |
|
|
1100 { |
|
3523
|
1101 std::string tn = type_name (); |
|
2376
|
1102 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
1103 } |
|
|
1104 |
|
|
1105 return retval; |
|
|
1106 } |
|
|
1107 |
|
4044
|
1108 Array<int> |
|
|
1109 octave_value::int_vector_value (bool force_string_conv, bool require_int, |
|
|
1110 bool force_vector_conversion) const |
|
|
1111 { |
|
|
1112 Array<int> retval; |
|
|
1113 |
|
|
1114 Matrix m = matrix_value (force_string_conv); |
|
|
1115 |
|
|
1116 if (error_state) |
|
|
1117 return retval; |
|
|
1118 |
|
|
1119 int nr = m.rows (); |
|
|
1120 int nc = m.columns (); |
|
|
1121 |
|
|
1122 if (nr == 1) |
|
|
1123 { |
|
|
1124 retval.resize (nc); |
|
|
1125 for (int i = 0; i < nc; i++) |
|
|
1126 { |
|
4153
|
1127 OCTAVE_QUIT; |
|
|
1128 |
|
4044
|
1129 double d = m (0, i); |
|
|
1130 |
|
|
1131 if (require_int && D_NINT (d) != d) |
|
|
1132 { |
|
|
1133 error ("conversion to integer value failed"); |
|
|
1134 return retval; |
|
|
1135 } |
|
|
1136 |
|
|
1137 retval (i) = static_cast<int> (d); |
|
|
1138 } |
|
|
1139 } |
|
|
1140 else if (nc == 1) |
|
|
1141 { |
|
|
1142 retval.resize (nr); |
|
|
1143 for (int i = 0; i < nr; i++) |
|
|
1144 { |
|
4153
|
1145 OCTAVE_QUIT; |
|
|
1146 |
|
4044
|
1147 double d = m (i, 0); |
|
|
1148 |
|
|
1149 if (require_int && D_NINT (d) != d) |
|
|
1150 { |
|
|
1151 error ("conversion to integer value failed"); |
|
|
1152 return retval; |
|
|
1153 } |
|
|
1154 |
|
|
1155 retval (i) = static_cast<int> (d); |
|
|
1156 } |
|
|
1157 } |
|
4455
|
1158 else if (nr > 0 && nc > 0) |
|
4044
|
1159 { |
|
4455
|
1160 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
1161 if (! force_vector_conversion && Vwarn_fortran_indexing) |
|
|
1162 gripe_implicit_conversion (type_name (), "real vector"); |
|
|
1163 |
|
4044
|
1164 retval.resize (nr * nc); |
|
|
1165 int k = 0; |
|
|
1166 for (int j = 0; j < nc; j++) |
|
|
1167 { |
|
|
1168 for (int i = 0; i < nr; i++) |
|
|
1169 { |
|
4153
|
1170 OCTAVE_QUIT; |
|
|
1171 |
|
4044
|
1172 double d = m (i, j); |
|
|
1173 |
|
|
1174 if (require_int && D_NINT (d) != d) |
|
|
1175 { |
|
|
1176 error ("conversion to integer value failed"); |
|
|
1177 return retval; |
|
|
1178 } |
|
|
1179 |
|
|
1180 retval (k++) = static_cast<int> (d); |
|
|
1181 } |
|
|
1182 } |
|
|
1183 } |
|
|
1184 else |
|
|
1185 { |
|
|
1186 std::string tn = type_name (); |
|
|
1187 gripe_invalid_conversion (tn.c_str (), "real vector"); |
|
|
1188 } |
|
|
1189 |
|
|
1190 return retval; |
|
|
1191 } |
|
|
1192 |
|
3419
|
1193 Array<Complex> |
|
2376
|
1194 octave_value::complex_vector_value (bool force_string_conv, |
|
|
1195 bool force_vector_conversion) const |
|
|
1196 { |
|
3419
|
1197 Array<Complex> retval; |
|
2376
|
1198 |
|
|
1199 ComplexMatrix m = complex_matrix_value (force_string_conv); |
|
|
1200 |
|
|
1201 if (error_state) |
|
|
1202 return retval; |
|
|
1203 |
|
|
1204 int nr = m.rows (); |
|
|
1205 int nc = m.columns (); |
|
|
1206 |
|
|
1207 if (nr == 1) |
|
|
1208 { |
|
|
1209 retval.resize (nc); |
|
|
1210 for (int i = 0; i < nc; i++) |
|
4153
|
1211 { |
|
|
1212 OCTAVE_QUIT; |
|
|
1213 retval (i) = m (0, i); |
|
|
1214 } |
|
2376
|
1215 } |
|
|
1216 else if (nc == 1) |
|
|
1217 { |
|
|
1218 retval.resize (nr); |
|
|
1219 for (int i = 0; i < nr; i++) |
|
4153
|
1220 { |
|
|
1221 OCTAVE_QUIT; |
|
|
1222 retval (i) = m (i, 0); |
|
|
1223 } |
|
2376
|
1224 } |
|
4455
|
1225 else if (nr > 0 && nc > 0) |
|
2376
|
1226 { |
|
4455
|
1227 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
1228 if (! force_vector_conversion && Vwarn_fortran_indexing) |
|
|
1229 gripe_implicit_conversion (type_name (), "complex vector"); |
|
|
1230 |
|
2376
|
1231 retval.resize (nr * nc); |
|
|
1232 int k = 0; |
|
|
1233 for (int j = 0; j < nc; j++) |
|
|
1234 for (int i = 0; i < nr; i++) |
|
4153
|
1235 { |
|
|
1236 OCTAVE_QUIT; |
|
|
1237 retval (k++) = m (i, j); |
|
|
1238 } |
|
2376
|
1239 } |
|
|
1240 else |
|
|
1241 { |
|
3523
|
1242 std::string tn = type_name (); |
|
2376
|
1243 gripe_invalid_conversion (tn.c_str (), "complex vector"); |
|
|
1244 } |
|
|
1245 |
|
|
1246 return retval; |
|
|
1247 } |
|
|
1248 |
|
4452
|
1249 octave_value |
|
4457
|
1250 octave_value::convert_to_str (bool pad, bool force) const |
|
4452
|
1251 { |
|
4457
|
1252 octave_value retval = convert_to_str_internal (pad, force); |
|
4452
|
1253 |
|
4457
|
1254 if (! force && is_numeric_type () && Vwarn_num_to_str) |
|
4452
|
1255 gripe_implicit_conversion (type_name (), retval.type_name ()); |
|
|
1256 |
|
|
1257 return retval; |
|
|
1258 } |
|
|
1259 |
|
2376
|
1260 void |
|
4005
|
1261 octave_value::print_with_name (std::ostream& output_buf, |
|
|
1262 const std::string& name, |
|
2903
|
1263 bool print_padding) const |
|
2376
|
1264 { |
|
4005
|
1265 if (! (evaluating_function_body && Vsilent_functions)) |
|
|
1266 { |
|
|
1267 bool pad_after = print_name_tag (output_buf, name); |
|
2376
|
1268 |
|
4005
|
1269 print (output_buf); |
|
2376
|
1270 |
|
4005
|
1271 if (print_padding && pad_after) |
|
|
1272 newline (output_buf); |
|
|
1273 } |
|
2376
|
1274 } |
|
|
1275 |
|
|
1276 static void |
|
3523
|
1277 gripe_indexed_assignment (const std::string& tn1, const std::string& tn2) |
|
2413
|
1278 { |
|
2903
|
1279 error ("assignment of `%s' to indexed `%s' not implemented", |
|
2413
|
1280 tn2.c_str (), tn1.c_str ()); |
|
|
1281 } |
|
|
1282 |
|
|
1283 static void |
|
3933
|
1284 gripe_assign_conversion_failed (const std::string& tn1, |
|
|
1285 const std::string& tn2) |
|
2413
|
1286 { |
|
2903
|
1287 error ("type conversion for assignment of `%s' to indexed `%s' failed", |
|
2413
|
1288 tn2.c_str (), tn1.c_str ()); |
|
|
1289 } |
|
|
1290 |
|
3933
|
1291 octave_value |
|
4247
|
1292 octave_value::numeric_assign (const std::string& type, |
|
4219
|
1293 const std::list<octave_value_list>& idx, |
|
2413
|
1294 const octave_value& rhs) |
|
|
1295 { |
|
3933
|
1296 octave_value retval; |
|
2413
|
1297 |
|
|
1298 int t_lhs = type_id (); |
|
|
1299 int t_rhs = rhs.type_id (); |
|
|
1300 |
|
2880
|
1301 assign_op_fcn f |
|
3933
|
1302 = octave_value_typeinfo::lookup_assign_op (op_asn_eq, t_lhs, t_rhs); |
|
|
1303 |
|
|
1304 bool done = false; |
|
2413
|
1305 |
|
|
1306 if (f) |
|
|
1307 { |
|
3933
|
1308 f (*this, idx.front (), rhs.get_rep ()); |
|
2413
|
1309 |
|
3933
|
1310 done = (! error_state); |
|
2413
|
1311 } |
|
3933
|
1312 |
|
|
1313 if (done) |
|
|
1314 retval = octave_value (this, count + 1); |
|
3196
|
1315 else |
|
|
1316 { |
|
3933
|
1317 int t_result |
|
|
1318 = octave_value_typeinfo::lookup_pref_assign_conv (t_lhs, t_rhs); |
|
|
1319 |
|
|
1320 if (t_result >= 0) |
|
|
1321 { |
|
|
1322 type_conv_fcn cf |
|
|
1323 = octave_value_typeinfo::lookup_widening_op (t_lhs, t_result); |
|
|
1324 |
|
|
1325 if (cf) |
|
|
1326 { |
|
|
1327 octave_value *tmp (cf (*this)); |
|
3196
|
1328 |
|
3933
|
1329 if (tmp) |
|
|
1330 { |
|
|
1331 retval = tmp->subsasgn (type, idx, rhs); |
|
|
1332 |
|
4505
|
1333 // The assignment may have converted to a type that |
|
|
1334 // is wider than necessary. |
|
|
1335 |
|
|
1336 retval.maybe_mutate (); |
|
|
1337 |
|
3933
|
1338 done = (! error_state); |
|
|
1339 } |
|
|
1340 else |
|
|
1341 gripe_assign_conversion_failed (type_name (), |
|
|
1342 rhs.type_name ()); |
|
|
1343 } |
|
|
1344 else |
|
|
1345 gripe_indexed_assignment (type_name (), rhs.type_name ()); |
|
|
1346 } |
|
|
1347 |
|
|
1348 if (! (done || error_state)) |
|
3196
|
1349 { |
|
3933
|
1350 octave_value tmp_rhs; |
|
|
1351 type_conv_fcn cf_rhs = rhs.numeric_conversion_function (); |
|
|
1352 |
|
|
1353 if (cf_rhs) |
|
|
1354 { |
|
|
1355 octave_value *tmp = cf_rhs (rhs.get_rep ()); |
|
|
1356 |
|
|
1357 if (tmp) |
|
|
1358 tmp_rhs = octave_value (tmp); |
|
|
1359 else |
|
|
1360 { |
|
|
1361 gripe_assign_conversion_failed (type_name (), |
|
|
1362 rhs.type_name ()); |
|
|
1363 return octave_value (); |
|
|
1364 } |
|
|
1365 } |
|
|
1366 else |
|
|
1367 tmp_rhs = rhs; |
|
|
1368 |
|
|
1369 type_conv_fcn cf_this = numeric_conversion_function (); |
|
|
1370 |
|
|
1371 octave_value *tmp_lhs = this; |
|
3196
|
1372 |
|
3933
|
1373 if (cf_this) |
|
|
1374 { |
|
|
1375 octave_value *tmp = cf_this (*this); |
|
|
1376 |
|
|
1377 if (tmp) |
|
|
1378 tmp_lhs = tmp; |
|
|
1379 else |
|
|
1380 { |
|
|
1381 gripe_assign_conversion_failed (type_name (), |
|
|
1382 rhs.type_name ()); |
|
|
1383 return octave_value (); |
|
|
1384 } |
|
|
1385 } |
|
|
1386 |
|
|
1387 if (cf_this || cf_rhs) |
|
|
1388 { |
|
|
1389 retval = tmp_lhs->subsasgn (type, idx, tmp_rhs); |
|
|
1390 |
|
|
1391 done = (! error_state); |
|
|
1392 } |
|
|
1393 else |
|
|
1394 gripe_no_conversion (assign_op_as_string (op_asn_eq), |
|
|
1395 type_name (), rhs.type_name ()); |
|
3196
|
1396 } |
|
|
1397 } |
|
2413
|
1398 |
|
|
1399 return retval; |
|
|
1400 } |
|
|
1401 |
|
|
1402 static void |
|
3933
|
1403 gripe_binary_op (const std::string& on, const std::string& tn1, |
|
|
1404 const std::string& tn2) |
|
2376
|
1405 { |
|
2903
|
1406 error ("binary operator `%s' not implemented for `%s' by `%s' operations", |
|
2376
|
1407 on.c_str (), tn1.c_str (), tn2.c_str ()); |
|
|
1408 } |
|
|
1409 |
|
3203
|
1410 static void |
|
3523
|
1411 gripe_binary_op_conv (const std::string& on) |
|
3203
|
1412 { |
|
|
1413 error ("type conversion failed for binary operator `%s'", on.c_str ()); |
|
|
1414 } |
|
|
1415 |
|
2376
|
1416 octave_value |
|
3933
|
1417 do_binary_op (octave_value::binary_op op, |
|
|
1418 const octave_value& v1, const octave_value& v2) |
|
2376
|
1419 { |
|
|
1420 octave_value retval; |
|
|
1421 |
|
|
1422 int t1 = v1.type_id (); |
|
|
1423 int t2 = v2.type_id (); |
|
|
1424 |
|
2427
|
1425 binary_op_fcn f = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
2376
|
1426 |
|
|
1427 if (f) |
|
|
1428 retval = f (*v1.rep, *v2.rep); |
|
|
1429 else |
|
|
1430 { |
|
|
1431 octave_value tv1; |
|
2427
|
1432 type_conv_fcn cf1 = v1.numeric_conversion_function (); |
|
2376
|
1433 |
|
|
1434 if (cf1) |
|
|
1435 { |
|
3203
|
1436 octave_value *tmp = cf1 (*v1.rep); |
|
|
1437 |
|
|
1438 if (tmp) |
|
|
1439 { |
|
|
1440 tv1 = octave_value (tmp); |
|
|
1441 t1 = tv1.type_id (); |
|
|
1442 } |
|
|
1443 else |
|
|
1444 { |
|
|
1445 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1446 return retval; |
|
|
1447 } |
|
2376
|
1448 } |
|
|
1449 else |
|
|
1450 tv1 = v1; |
|
|
1451 |
|
|
1452 octave_value tv2; |
|
2427
|
1453 type_conv_fcn cf2 = v2.numeric_conversion_function (); |
|
2376
|
1454 |
|
|
1455 if (cf2) |
|
|
1456 { |
|
3203
|
1457 octave_value *tmp = cf2 (*v2.rep); |
|
|
1458 |
|
|
1459 if (tmp) |
|
|
1460 { |
|
|
1461 tv2 = octave_value (tmp); |
|
|
1462 t2 = tv2.type_id (); |
|
|
1463 } |
|
|
1464 else |
|
|
1465 { |
|
|
1466 gripe_binary_op_conv (octave_value::binary_op_as_string (op)); |
|
|
1467 return retval; |
|
|
1468 } |
|
2376
|
1469 } |
|
|
1470 else |
|
|
1471 tv2 = v2; |
|
|
1472 |
|
|
1473 if (cf1 || cf2) |
|
|
1474 { |
|
2427
|
1475 binary_op_fcn f |
|
2376
|
1476 = octave_value_typeinfo::lookup_binary_op (op, t1, t2); |
|
|
1477 |
|
|
1478 if (f) |
|
|
1479 retval = f (*tv1.rep, *tv2.rep); |
|
|
1480 else |
|
|
1481 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1482 v1.type_name (), v2.type_name ()); |
|
|
1483 } |
|
|
1484 else |
|
|
1485 gripe_binary_op (octave_value::binary_op_as_string (op), |
|
|
1486 v1.type_name (), v2.type_name ()); |
|
|
1487 } |
|
|
1488 |
|
|
1489 return retval; |
|
|
1490 } |
|
|
1491 |
|
3933
|
1492 void |
|
|
1493 octave_value::print_info (std::ostream& os, const std::string& prefix) const |
|
|
1494 { |
|
|
1495 os << prefix << "type_name: " << type_name () << "\n" |
|
|
1496 << prefix << "count: " << get_count () << "\n" |
|
|
1497 << prefix << "rep info: "; |
|
|
1498 |
|
|
1499 rep->print_info (os, prefix + " "); |
|
|
1500 } |
|
|
1501 |
|
3203
|
1502 static void |
|
3523
|
1503 gripe_unary_op (const std::string& on, const std::string& tn) |
|
3203
|
1504 { |
|
|
1505 error ("unary operator `%s' not implemented for `%s' operands", |
|
|
1506 on.c_str (), tn.c_str ()); |
|
|
1507 } |
|
|
1508 |
|
|
1509 static void |
|
3523
|
1510 gripe_unary_op_conv (const std::string& on) |
|
3203
|
1511 { |
|
|
1512 error ("type conversion failed for unary operator `%s'", on.c_str ()); |
|
|
1513 } |
|
|
1514 |
|
|
1515 octave_value |
|
|
1516 do_unary_op (octave_value::unary_op op, const octave_value& v) |
|
|
1517 { |
|
|
1518 octave_value retval; |
|
|
1519 |
|
|
1520 int t = v.type_id (); |
|
|
1521 |
|
|
1522 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1523 |
|
|
1524 if (f) |
|
|
1525 retval = f (*v.rep); |
|
|
1526 else |
|
|
1527 { |
|
|
1528 octave_value tv; |
|
|
1529 type_conv_fcn cf = v.numeric_conversion_function (); |
|
|
1530 |
|
|
1531 if (cf) |
|
|
1532 { |
|
|
1533 octave_value *tmp = cf (*v.rep); |
|
|
1534 |
|
|
1535 if (tmp) |
|
|
1536 { |
|
|
1537 tv = octave_value (tmp); |
|
|
1538 t = tv.type_id (); |
|
|
1539 |
|
|
1540 unary_op_fcn f = octave_value_typeinfo::lookup_unary_op (op, t); |
|
|
1541 |
|
|
1542 if (f) |
|
|
1543 retval = f (*tv.rep); |
|
|
1544 else |
|
|
1545 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1546 v.type_name ()); |
|
|
1547 } |
|
|
1548 else |
|
|
1549 gripe_unary_op_conv (octave_value::unary_op_as_string (op)); |
|
|
1550 } |
|
|
1551 else |
|
|
1552 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1553 v.type_name ()); |
|
|
1554 } |
|
|
1555 |
|
|
1556 return retval; |
|
|
1557 } |
|
|
1558 |
|
|
1559 static void |
|
3933
|
1560 gripe_unary_op_conversion_failed (const std::string& op, |
|
|
1561 const std::string& tn) |
|
3203
|
1562 { |
|
|
1563 error ("operator %s: type conversion for `%s' failed", |
|
|
1564 op.c_str (), tn.c_str ()); |
|
|
1565 } |
|
|
1566 |
|
3933
|
1567 const octave_value& |
|
|
1568 octave_value::do_non_const_unary_op (unary_op op) |
|
3203
|
1569 { |
|
|
1570 octave_value retval; |
|
|
1571 |
|
|
1572 int t = type_id (); |
|
|
1573 |
|
|
1574 non_const_unary_op_fcn f |
|
|
1575 = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1576 |
|
|
1577 if (f) |
|
|
1578 { |
|
|
1579 make_unique (); |
|
|
1580 |
|
|
1581 f (*rep); |
|
|
1582 } |
|
|
1583 else |
|
|
1584 { |
|
|
1585 type_conv_fcn cf = numeric_conversion_function (); |
|
|
1586 |
|
|
1587 if (cf) |
|
|
1588 { |
|
|
1589 octave_value *tmp = cf (*rep); |
|
|
1590 |
|
|
1591 if (tmp) |
|
|
1592 { |
|
|
1593 octave_value *old_rep = rep; |
|
|
1594 rep = tmp; |
|
|
1595 rep->count = 1; |
|
|
1596 |
|
|
1597 t = type_id (); |
|
|
1598 |
|
|
1599 f = octave_value_typeinfo::lookup_non_const_unary_op (op, t); |
|
|
1600 |
|
|
1601 if (f) |
|
|
1602 { |
|
|
1603 f (*rep); |
|
|
1604 |
|
|
1605 if (old_rep && --old_rep->count == 0) |
|
|
1606 delete old_rep; |
|
|
1607 } |
|
|
1608 else |
|
|
1609 { |
|
|
1610 if (old_rep) |
|
|
1611 { |
|
|
1612 if (--rep->count == 0) |
|
|
1613 delete rep; |
|
|
1614 |
|
|
1615 rep = old_rep; |
|
|
1616 } |
|
|
1617 |
|
|
1618 gripe_unary_op (octave_value::unary_op_as_string (op), |
|
|
1619 type_name ()); |
|
|
1620 } |
|
|
1621 } |
|
|
1622 else |
|
|
1623 gripe_unary_op_conversion_failed |
|
|
1624 (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1625 } |
|
|
1626 else |
|
|
1627 gripe_unary_op (octave_value::unary_op_as_string (op), type_name ()); |
|
|
1628 } |
|
3933
|
1629 |
|
|
1630 return *this; |
|
3203
|
1631 } |
|
|
1632 |
|
3933
|
1633 #if 0 |
|
3205
|
1634 static void |
|
3933
|
1635 gripe_unary_op_failed_or_no_method (const std::string& on, |
|
|
1636 const std::string& tn) |
|
3205
|
1637 { |
|
|
1638 error ("operator %s: no method, or unable to evaluate for %s operand", |
|
|
1639 on.c_str (), tn.c_str ()); |
|
|
1640 } |
|
3933
|
1641 #endif |
|
3205
|
1642 |
|
|
1643 void |
|
3933
|
1644 octave_value::do_non_const_unary_op (unary_op op, const octave_value_list& idx) |
|
3205
|
1645 { |
|
3933
|
1646 abort (); |
|
|
1647 } |
|
|
1648 |
|
|
1649 octave_value |
|
4247
|
1650 octave_value::do_non_const_unary_op (unary_op op, const std::string& type, |
|
4219
|
1651 const std::list<octave_value_list>& idx) |
|
3933
|
1652 { |
|
|
1653 octave_value retval; |
|
|
1654 |
|
|
1655 if (idx.empty ()) |
|
|
1656 { |
|
|
1657 do_non_const_unary_op (op); |
|
3205
|
1658 |
|
3933
|
1659 retval = *this; |
|
|
1660 } |
|
|
1661 else |
|
|
1662 { |
|
|
1663 // XXX FIXME XXX -- only do the following stuff if we can't find a |
|
|
1664 // specific function to call to handle the op= operation for the |
|
|
1665 // types we have. |
|
3205
|
1666 |
|
3933
|
1667 assign_op assop = unary_op_to_assign_op (op); |
|
|
1668 |
|
|
1669 retval = assign (assop, type, idx, 1.0); |
|
|
1670 } |
|
|
1671 |
|
|
1672 return retval; |
|
3205
|
1673 } |
|
|
1674 |
|
2903
|
1675 // Current indentation. |
|
|
1676 int octave_value::curr_print_indent_level = 0; |
|
|
1677 |
|
3018
|
1678 // TRUE means we are at the beginning of a line. |
|
2903
|
1679 bool octave_value::beginning_of_line = true; |
|
|
1680 |
|
|
1681 // Each print() function should call this before printing anything. |
|
|
1682 // |
|
|
1683 // This doesn't need to be fast, but isn't there a better way? |
|
|
1684 |
|
|
1685 void |
|
3523
|
1686 octave_value::indent (std::ostream& os) const |
|
2903
|
1687 { |
|
|
1688 assert (curr_print_indent_level >= 0); |
|
|
1689 |
|
|
1690 if (beginning_of_line) |
|
|
1691 { |
|
|
1692 // XXX FIXME XXX -- do we need this? |
|
|
1693 // os << prefix; |
|
|
1694 |
|
|
1695 for (int i = 0; i < curr_print_indent_level; i++) |
|
|
1696 os << " "; |
|
|
1697 |
|
|
1698 beginning_of_line = false; |
|
|
1699 } |
|
|
1700 } |
|
|
1701 |
|
|
1702 // All print() functions should use this to print new lines. |
|
|
1703 |
|
|
1704 void |
|
3523
|
1705 octave_value::newline (std::ostream& os) const |
|
2903
|
1706 { |
|
|
1707 os << "\n"; |
|
|
1708 |
|
|
1709 beginning_of_line = true; |
|
|
1710 } |
|
|
1711 |
|
|
1712 // For ressetting print state. |
|
|
1713 |
|
|
1714 void |
|
|
1715 octave_value::reset (void) const |
|
|
1716 { |
|
|
1717 beginning_of_line = true; |
|
|
1718 curr_print_indent_level = 0; |
|
|
1719 } |
|
|
1720 |
|
3205
|
1721 octave_value::assign_op |
|
|
1722 octave_value::unary_op_to_assign_op (unary_op op) |
|
|
1723 { |
|
|
1724 assign_op binop = unknown_assign_op; |
|
|
1725 |
|
|
1726 switch (op) |
|
|
1727 { |
|
3533
|
1728 case op_incr: |
|
|
1729 binop = op_add_eq; |
|
3205
|
1730 break; |
|
|
1731 |
|
3533
|
1732 case op_decr: |
|
|
1733 binop = op_sub_eq; |
|
3205
|
1734 break; |
|
|
1735 |
|
|
1736 default: |
|
|
1737 { |
|
3523
|
1738 std::string on = unary_op_as_string (op); |
|
3205
|
1739 error ("operator %s: no assign operator found", on.c_str ()); |
|
|
1740 } |
|
|
1741 } |
|
|
1742 |
|
|
1743 return binop; |
|
|
1744 } |
|
|
1745 |
|
3204
|
1746 octave_value::binary_op |
|
|
1747 octave_value::op_eq_to_binary_op (assign_op op) |
|
|
1748 { |
|
|
1749 binary_op binop = unknown_binary_op; |
|
|
1750 |
|
|
1751 switch (op) |
|
|
1752 { |
|
3533
|
1753 case op_add_eq: |
|
|
1754 binop = op_add; |
|
3204
|
1755 break; |
|
|
1756 |
|
3533
|
1757 case op_sub_eq: |
|
|
1758 binop = op_sub; |
|
3204
|
1759 break; |
|
|
1760 |
|
3533
|
1761 case op_mul_eq: |
|
|
1762 binop = op_mul; |
|
3204
|
1763 break; |
|
|
1764 |
|
3533
|
1765 case op_div_eq: |
|
|
1766 binop = op_div; |
|
3204
|
1767 break; |
|
|
1768 |
|
3533
|
1769 case op_ldiv_eq: |
|
|
1770 binop = op_ldiv; |
|
3204
|
1771 break; |
|
|
1772 |
|
4018
|
1773 case op_pow_eq: |
|
|
1774 binop = op_pow; |
|
|
1775 break; |
|
|
1776 |
|
3533
|
1777 case op_lshift_eq: |
|
|
1778 binop = op_lshift; |
|
3204
|
1779 break; |
|
|
1780 |
|
3533
|
1781 case op_rshift_eq: |
|
|
1782 binop = op_rshift; |
|
3204
|
1783 break; |
|
|
1784 |
|
3533
|
1785 case op_el_mul_eq: |
|
|
1786 binop = op_el_mul; |
|
3204
|
1787 break; |
|
|
1788 |
|
3533
|
1789 case op_el_div_eq: |
|
|
1790 binop = op_el_div; |
|
3204
|
1791 break; |
|
|
1792 |
|
3533
|
1793 case op_el_ldiv_eq: |
|
|
1794 binop = op_el_ldiv; |
|
3204
|
1795 break; |
|
|
1796 |
|
4018
|
1797 case op_el_pow_eq: |
|
|
1798 binop = op_el_pow; |
|
|
1799 break; |
|
|
1800 |
|
3533
|
1801 case op_el_and_eq: |
|
|
1802 binop = op_el_and; |
|
3204
|
1803 break; |
|
|
1804 |
|
3533
|
1805 case op_el_or_eq: |
|
|
1806 binop = op_el_or; |
|
3204
|
1807 break; |
|
|
1808 |
|
|
1809 default: |
|
|
1810 { |
|
3523
|
1811 std::string on = assign_op_as_string (op); |
|
3204
|
1812 error ("operator %s: no binary operator found", on.c_str ()); |
|
|
1813 } |
|
|
1814 } |
|
|
1815 |
|
|
1816 return binop; |
|
|
1817 } |
|
|
1818 |
|
3933
|
1819 octave_value |
|
|
1820 octave_value::empty_conv (const std::string& type, const octave_value& rhs) |
|
|
1821 { |
|
|
1822 octave_value retval; |
|
|
1823 |
|
|
1824 if (type.length () > 0) |
|
|
1825 { |
|
|
1826 switch (type[0]) |
|
|
1827 { |
|
|
1828 case '(': |
|
|
1829 { |
|
|
1830 if (type.length () > 1 && type[1] == '.') |
|
|
1831 retval = Octave_map (); |
|
|
1832 else |
|
|
1833 retval = octave_value (rhs.empty_clone ()); |
|
|
1834 } |
|
|
1835 break; |
|
|
1836 |
|
|
1837 case '{': |
|
|
1838 retval = Cell (); |
|
|
1839 break; |
|
|
1840 |
|
|
1841 case '.': |
|
|
1842 retval = Octave_map (); |
|
|
1843 break; |
|
|
1844 |
|
|
1845 default: |
|
|
1846 panic_impossible (); |
|
|
1847 } |
|
|
1848 } |
|
|
1849 else |
|
|
1850 retval = octave_value (rhs.empty_clone ()); |
|
|
1851 |
|
|
1852 return retval; |
|
|
1853 } |
|
|
1854 |
|
2376
|
1855 void |
|
|
1856 install_types (void) |
|
|
1857 { |
|
|
1858 octave_base_value::register_type (); |
|
3928
|
1859 octave_cell::register_type (); |
|
2376
|
1860 octave_scalar::register_type (); |
|
|
1861 octave_complex::register_type (); |
|
|
1862 octave_matrix::register_type (); |
|
|
1863 octave_complex_matrix::register_type (); |
|
|
1864 octave_range::register_type (); |
|
2825
|
1865 octave_bool::register_type (); |
|
|
1866 octave_bool_matrix::register_type (); |
|
2376
|
1867 octave_char_matrix::register_type (); |
|
|
1868 octave_char_matrix_str::register_type (); |
|
|
1869 octave_struct::register_type (); |
|
2903
|
1870 octave_file::register_type (); |
|
2880
|
1871 octave_list::register_type (); |
|
3977
|
1872 octave_cs_list::register_type (); |
|
2376
|
1873 octave_all_va_args::register_type (); |
|
|
1874 octave_magic_colon::register_type (); |
|
2974
|
1875 octave_builtin::register_type (); |
|
|
1876 octave_mapper::register_type (); |
|
|
1877 octave_user_function::register_type (); |
|
2376
|
1878 } |
|
|
1879 |
|
|
1880 static int |
|
4455
|
1881 warn_fortran_indexing (void) |
|
2376
|
1882 { |
|
4455
|
1883 Vwarn_fortran_indexing = check_preference ("warn_fortran_indexing"); |
|
2376
|
1884 |
|
4455
|
1885 liboctave_wfi_flag = Vwarn_fortran_indexing; |
|
2376
|
1886 |
|
|
1887 return 0; |
|
|
1888 } |
|
|
1889 |
|
|
1890 static int |
|
4452
|
1891 warn_imag_to_real (void) |
|
4257
|
1892 { |
|
4452
|
1893 Vwarn_imag_to_real = check_preference ("warn_imag_to_real"); |
|
4257
|
1894 |
|
|
1895 return 0; |
|
|
1896 } |
|
|
1897 |
|
|
1898 static int |
|
4452
|
1899 warn_num_to_str (void) |
|
2376
|
1900 { |
|
4452
|
1901 Vwarn_num_to_str = check_preference ("warn_num_to_str"); |
|
2376
|
1902 |
|
|
1903 return 0; |
|
|
1904 } |
|
|
1905 |
|
|
1906 static int |
|
4452
|
1907 warn_str_to_num (void) |
|
2376
|
1908 { |
|
4452
|
1909 Vwarn_str_to_num = check_preference ("warn_str_to_num"); |
|
2376
|
1910 |
|
|
1911 return 0; |
|
|
1912 } |
|
|
1913 |
|
|
1914 static int |
|
|
1915 print_answer_id_name (void) |
|
|
1916 { |
|
|
1917 Vprint_answer_id_name = check_preference ("print_answer_id_name"); |
|
|
1918 |
|
|
1919 return 0; |
|
|
1920 } |
|
|
1921 |
|
|
1922 static int |
|
4461
|
1923 warn_resize_on_range_error (void) |
|
2376
|
1924 { |
|
4461
|
1925 Vwarn_resize_on_range_error |
|
|
1926 = check_preference ("warn_resize_on_range_error"); |
|
2376
|
1927 |
|
4461
|
1928 liboctave_wrore_flag = Vwarn_resize_on_range_error; |
|
2376
|
1929 |
|
|
1930 return 0; |
|
|
1931 } |
|
|
1932 |
|
|
1933 static int |
|
4005
|
1934 silent_functions (void) |
|
|
1935 { |
|
|
1936 Vsilent_functions = check_preference ("silent_functions"); |
|
|
1937 |
|
|
1938 return 0; |
|
|
1939 } |
|
|
1940 |
|
|
1941 static int |
|
2376
|
1942 struct_levels_to_print (void) |
|
|
1943 { |
|
|
1944 double val; |
|
|
1945 if (builtin_real_scalar_variable ("struct_levels_to_print", val) |
|
|
1946 && ! xisnan (val)) |
|
|
1947 { |
|
|
1948 int ival = NINT (val); |
|
3961
|
1949 if (ival == val) |
|
2376
|
1950 { |
|
|
1951 Vstruct_levels_to_print = ival; |
|
|
1952 return 0; |
|
|
1953 } |
|
|
1954 } |
|
|
1955 gripe_invalid_value_specified ("struct_levels_to_print"); |
|
|
1956 return -1; |
|
|
1957 } |
|
|
1958 |
|
|
1959 static int |
|
|
1960 warn_divide_by_zero (void) |
|
|
1961 { |
|
|
1962 Vwarn_divide_by_zero = check_preference ("warn_divide_by_zero"); |
|
|
1963 |
|
|
1964 return 0; |
|
|
1965 } |
|
|
1966 |
|
|
1967 void |
|
2909
|
1968 symbols_of_ov (void) |
|
2376
|
1969 { |
|
4233
|
1970 DEFVAR (print_answer_id_name, true, print_answer_id_name, |
|
3372
|
1971 "-*- texinfo -*-\n\ |
|
|
1972 @defvr {Built-in Variable} print_answer_id_name\n\ |
|
|
1973 If the value of @code{print_answer_id_name} is nonzero, variable\n\ |
|
|
1974 names are printed along with the result. Otherwise, only the result\n\ |
|
|
1975 values are printed. The default value is 1.\n\ |
|
|
1976 @end defvr"); |
|
2376
|
1977 |
|
4233
|
1978 DEFVAR (silent_functions, false, silent_functions, |
|
4005
|
1979 "-*- texinfo -*-\n\ |
|
|
1980 @defvr {Built-in Variable} silent_functions\n\ |
|
|
1981 If the value of @code{silent_functions} is nonzero, internal output\n\ |
|
|
1982 from a function is suppressed. Otherwise, the results of expressions\n\ |
|
|
1983 within a function body that are not terminated with a semicolon will\n\ |
|
|
1984 have their values printed. The default value is 0.\n\ |
|
|
1985 \n\ |
|
|
1986 For example, if the function\n\ |
|
|
1987 \n\ |
|
|
1988 @example\n\ |
|
|
1989 function f ()\n\ |
|
|
1990 2 + 2\n\ |
|
|
1991 endfunction\n\ |
|
|
1992 @end example\n\ |
|
|
1993 \n\ |
|
|
1994 @noindent\n\ |
|
|
1995 is executed, Octave will either print @samp{ans = 4} or nothing\n\ |
|
|
1996 depending on the value of @code{silent_functions}.\n\ |
|
|
1997 @end defvr"); |
|
|
1998 |
|
3258
|
1999 DEFVAR (struct_levels_to_print, 2.0, struct_levels_to_print, |
|
3361
|
2000 "-*- texinfo -*-\n\ |
|
|
2001 @defvr {Built-in Variable} struct_levels_to_print\n\ |
|
|
2002 You can tell Octave how many structure levels to display by setting the\n\ |
|
|
2003 built-in variable @code{struct_levels_to_print}. The default value is 2.\n\ |
|
3363
|
2004 @end defvr"); |
|
2376
|
2005 |
|
4233
|
2006 DEFVAR (warn_divide_by_zero, true, warn_divide_by_zero, |
|
3371
|
2007 "-*- texinfo -*-\n\ |
|
|
2008 @defvr {Built-in Variable} warn_divide_by_zero\n\ |
|
|
2009 If the value of @code{warn_divide_by_zero} is nonzero, a warning\n\ |
|
|
2010 is issued when Octave encounters a division by zero. If the value is\n\ |
|
|
2011 0, the warning is omitted. The default value is 1.\n\ |
|
|
2012 @end defvr"); |
|
4451
|
2013 |
|
4455
|
2014 DEFVAR (warn_fortran_indexing, false, warn_fortran_indexing, |
|
|
2015 "-*- texinfo -*-\n\ |
|
|
2016 @defvr {Built-in Variable} warn_fortran_indexing\n\ |
|
|
2017 If the value of @code{warn_fortran_indexing} is nonzero, a warning is\n\ |
|
|
2018 printed for expressions which select elements of a two-dimensional matrix\n\ |
|
|
2019 using a single index. The default value is 0.\n\ |
|
|
2020 @end defvr"); |
|
|
2021 |
|
4451
|
2022 DEFVAR (warn_imag_to_real, false, warn_imag_to_real, |
|
|
2023 "-*- texinfo -*-\n\ |
|
|
2024 @defvr {Built-in Variable} warn_imag_to_real\n\ |
|
|
2025 If the value of @code{warn_imag_to_real} is nonzero, a warning is\n\ |
|
|
2026 printed for implicit conversions of complex numbers to real numbers.\n\ |
|
|
2027 The default value is 0.\n\ |
|
|
2028 @end defvr"); |
|
4452
|
2029 |
|
|
2030 DEFVAR (warn_num_to_str, true, warn_num_to_str, |
|
|
2031 "-*- texinfo -*-\n\ |
|
|
2032 @defvr {Built-in Variable} warn_num_to_str\n\ |
|
|
2033 If the value of @code{warn_num_to_str} is nonzero, a warning is\n\ |
|
|
2034 printed for implicit conversions of numbers to their ASCII character\n\ |
|
|
2035 equivalents when strings are constructed using a mixture of strings and\n\ |
|
|
2036 numbers in matrix notation. For example,\n\ |
|
|
2037 \n\ |
|
|
2038 @example\n\ |
|
|
2039 @group\n\ |
|
|
2040 [ \"f\", 111, 111 ]\n\ |
|
|
2041 @result{} \"foo\"\n\ |
|
|
2042 @end group\n\ |
|
|
2043 @end example\n\ |
|
|
2044 elicits a warning if @code{warn_num_to_str} is nonzero. The default\n\ |
|
|
2045 value is 1.\n\ |
|
|
2046 @end defvr"); |
|
|
2047 |
|
4461
|
2048 DEFVAR (warn_resize_on_range_error, false, warn_resize_on_range_error, |
|
|
2049 "-*- texinfo -*-\n\ |
|
|
2050 @defvr {Built-in Variable} warn_resize_on_range_error\n\ |
|
|
2051 If the value of @code{warn_resize_on_range_error} is nonzero, print a\n\ |
|
|
2052 warning when a matrix is resized by an indexed assignment with\n\ |
|
|
2053 indices outside the current bounds. The default value is 0.\n\ |
|
|
2054 @end defvr"); |
|
|
2055 |
|
4452
|
2056 DEFVAR (warn_str_to_num, false, warn_str_to_num, |
|
|
2057 "-*- texinfo -*-\n\ |
|
|
2058 @defvr {Built-in Variable} warn_str_to_num\n\ |
|
|
2059 If the value of @code{warn_str_to_num} is nonzero, a warning is printed\n\ |
|
|
2060 for implicit conversions of strings to their numeric ASCII equivalents.\n\ |
|
|
2061 For example,\n\ |
|
|
2062 @example\n\ |
|
|
2063 @group\n\ |
|
|
2064 \"abc\" + 0\n\ |
|
|
2065 @result{} 97 98 99\n\ |
|
|
2066 @end group\n\ |
|
|
2067 @end example\n\ |
|
|
2068 elicits a warning if @code{warn_str_to_num} is nonzero. The default\n\ |
|
|
2069 value is 0.\n\ |
|
|
2070 @end defvr"); |
|
2376
|
2071 } |
|
|
2072 |
|
|
2073 /* |
|
|
2074 ;;; Local Variables: *** |
|
|
2075 ;;; mode: C++ *** |
|
|
2076 ;;; End: *** |
|
|
2077 */ |
